[gtk+] cellrenderertext: Implement snapshot()

[Benjamin Otte <otte src gnome org>]

commit c412a717f11074da8ef4a705dbffa566589f69dc
Author: Benjamin Otte <otte redhat com>
Date:   Fri Dec 23 09:23:07 2016 +0100

    cellrenderertext: Implement snapshot()

 gtk/gtkcellrenderertext.c |   48 +++++++++++++++++++++++++-------------------
 1 files changed, 27 insertions(+), 21 deletions(-)
---
diff --git a/gtk/gtkcellrenderertext.c b/gtk/gtkcellrenderertext.c
index f5c5eb7..a5f2255 100644
--- a/gtk/gtkcellrenderertext.c
+++ b/gtk/gtkcellrenderertext.c
@@ -55,8 +55,8 @@ static void gtk_cell_renderer_text_set_property  (GObject                  *obje
                                                  guint                     param_id,
                                                  const GValue             *value,
                                                  GParamSpec               *pspec);
-static void gtk_cell_renderer_text_render     (GtkCellRenderer          *cell,
-                                              cairo_t                  *cr,
+static void gtk_cell_renderer_text_snapshot   (GtkCellRenderer          *cell,
+                                              GtkSnapshot              *snapshot,
                                               GtkWidget                *widget,
                                               const GdkRectangle       *background_area,
                                               const GdkRectangle       *cell_area,
@@ -241,7 +241,7 @@ gtk_cell_renderer_text_class_init (GtkCellRendererTextClass *class)
   object_class->get_property = gtk_cell_renderer_text_get_property;
   object_class->set_property = gtk_cell_renderer_text_set_property;
 
-  cell_class->render = gtk_cell_renderer_text_render;
+  cell_class->snapshot = gtk_cell_renderer_text_snapshot;
   cell_class->start_editing = gtk_cell_renderer_text_start_editing;
   cell_class->get_preferred_width = gtk_cell_renderer_text_get_preferred_width;
   cell_class->get_preferred_height = gtk_cell_renderer_text_get_preferred_height;
@@ -1712,12 +1712,12 @@ get_size (GtkCellRenderer    *cell,
 }
 
 static void
-gtk_cell_renderer_text_render (GtkCellRenderer      *cell,
-                              cairo_t              *cr,
-                              GtkWidget            *widget,
-                              const GdkRectangle   *background_area,
-                              const GdkRectangle   *cell_area,
-                              GtkCellRendererState  flags)
+gtk_cell_renderer_text_snapshot (GtkCellRenderer      *cell,
+                                GtkSnapshot          *snapshot,
+                                 GtkWidget            *widget,
+                                 const GdkRectangle   *background_area,
+                                 const GdkRectangle   *cell_area,
+                                 GtkCellRendererState  flags)
 
 {
   GtkCellRendererText *celltext = GTK_CELL_RENDERER_TEXT (cell);
@@ -1735,9 +1735,13 @@ gtk_cell_renderer_text_render (GtkCellRenderer      *cell,
 
   if (priv->background_set && (flags & GTK_CELL_RENDERER_SELECTED) == 0)
     {
-      gdk_cairo_rectangle (cr, background_area);
-      gdk_cairo_set_source_rgba (cr, &priv->background);
-      cairo_fill (cr);
+      gtk_snapshot_append_color_node (snapshot,
+                                      &priv->background,
+                                      &GRAPHENE_RECT_INIT(
+                                          background_area->x, background_area->y,
+                                          background_area->width, background_area->height
+                                      ),
+                                      "CellTextBackground");
     }
 
   gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
@@ -1751,17 +1755,19 @@ gtk_cell_renderer_text_render (GtkCellRenderer      *cell,
   pango_layout_get_pixel_extents (layout, NULL, &rect);
   x_offset = x_offset - rect.x;
 
-  cairo_save (cr);
+  gtk_snapshot_push_clip (snapshot,
+                          &GRAPHENE_RECT_INIT(
+                              cell_area->x, cell_area->y,
+                              cell_area->width, cell_area->height
+                          ),
+                          "CellTextClip");
 
-  gdk_cairo_rectangle (cr, cell_area);
-  cairo_clip (cr);
+  gtk_snapshot_render_layout (snapshot, context,
+                              cell_area->x + x_offset + xpad,
+                              cell_area->y + y_offset + ypad,
+                              layout);
 
-  gtk_render_layout (context, cr,
-                     cell_area->x + x_offset + xpad,
-                     cell_area->y + y_offset + ypad,
-                     layout);
-
-  cairo_restore (cr);
+  gtk_snapshot_pop_and_append (snapshot);
 
   g_object_unref (layout);
 }